# SDR CALA2026061717167

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: June 17, 2026
- Submitted: June 18, 2026
- Operation: Air carrier
- Aircraft: [N78009](https://openairdocs.org/aircraft/N78009), registered now
- Make and model: Boeing 777224
- Aircraft serial: 29479
- Aircraft time: 127,708 hours, 13,091 cycles
- System (JASC): [3350 · Emergency Lighting](https://openairdocs.org/jasc/3350)
- Part: Charger
- Part number: D71702030
- Condition: Faulty
- Location: Zone 200
- Stage of operation: IN
- How discovered: C
- Nature of condition: L
- Precautionary procedure: K
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/CALA2026061717167

## Discrepancy

EMERGENCY LIGHTS - OPERATIONAL TEST WITH THE TEST SWITCHES PROCEDURE - EMERGENCY LIGHTS BETWEEN ROW 22 AND DOOR 3 RH DOES NOT GO ON. POWER SUPPLY REPLACEMENT IAW AMM 33-51-06-960-803. TEST OK.PARTS USED:  29-3351-3-0031,QTY :1

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